Home / 71,457.09-107,186.85-27,104.73

Finding the Fourth Proportional to 71,457.09, 107,186.85 and 27,104.73

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Solution

The fourth proportional to 71,457.09, 107,186.85 and 27,104.73 is: 40,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,457.09 : 107,186.85 = 27,104.73 : x
  2. Step 2: Convert to fraction form
    71,457.09/107,186.85 = 27,104.73/x
  3. Step 3: Cross multiply
    71,457.09x = 107,186.85 × 27,104.73
  4. Step 4: Simplify right side
    71,457.09x = 2,905,270,628.80
  5. Step 5: Solve for x
    x = 2,905,270,628.80/71,457.09
  6. Step 6: Final answer
    x = 40,657.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.